import com.fasterxml.jackson.databind.ObjectMapper;
import model.User;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * Created with IntelliJ IDEA
 * Description:
 * User: Administrator
 * Data: 2023 - 11 - 15
 * Time: 20:40
 */
@WebServlet("/userInfo")
public class UserInfoServlet extends HttpServlet {
    ObjectMapper objectMapper = new ObjectMapper();
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        HttpSession session = req.getSession(false);
        if(session == null) {
            resp.setContentType("text/html; charset=utf8");
            resp.getWriter().write("当前用户尚未登录！");
            return;
        }
        User user = (User)session.getAttribute("user");
        if(user == null) {
            resp.setContentType("text/html; charset=utf8");
            resp.getWriter().write("当前用户尚未登录！");
            return;
        }
        resp.setContentType("application/json; charset=utf8");
        user.setPassword("");
        String respJson = objectMapper.writeValueAsString(user);
        resp.getWriter().write(respJson);
    }
}
